Mil-Std-1553/1760 Products NHI Series +5V Monolithic Dual Transceivers

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Damon Robertson
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1 Features: Data Device Corporation DDC Wilbur Place, Bohemia, NY Mil-Std-1553/1760 Products NHI Series +5V Monolithic Dual Transceivers Description: Fully Compliant, Mil-Std-1553A/B Mil-Std-1760, MacAir Dual Transceivers!! Single +5V Supply!! 1.5 Watts Maximum Power 100% Duty Cycle!! Output Driver Withstands Short Circuit Fault Proprietary Monolithic Design Provides Superior Reliability, with outstanding Thermal Impedance Characteristics!! Superior Noise Performance Characteristics The NHI series of Mil-Std-1553/1760 monolithic dual transceivers are available in 0.800" x.600" 24 pin flatpack package. Each receiver converts the 1553 bus bi-phase data to complementary and _L TTL digital outputs for use by the manchester decoder. The device provides independent receiver enables for each channel. The transmitters will output bi-phase manchester to the coupling transformer when the TX and TX_L inputs are driven by complementary TTL digital data. The device provides an independent transmitter inhibit TXINH for each channel. To reduce the pin count and package size, the transmitter outputs are connected to the receiver inputs internal to the device for each channel. This results in only two connections & _L to the coupling transformer per channel. TX TX_L TRANSMITTER TX Shaping Transmit Network Logic +5V _L Isolation Transformer Coupler Box Direct Or Transformer 1553 Data Bus TXINH RECEIVER _L Receive Logic Input Filter ENA Comparator Figure I: NHI Block Diagram (Each Channel)

3 NHI Series Table II: Pin Functions Transformer Requirements: Pin# Function Pin# Function 1 _A 24 TXA_L 2 _A_L 23 TXA 3 GND_A 22 TXINH_A 4 A 21 GND_A 5 ENA_A 20 +5V_A 6 A_L 19 GND_A 7 _B 18 TXB_L 8 _B_L 17 TX_B 9 GND_B 16 TXINH_B 10 B 15 GND_B NHI _L TRANSFORMER COUPLED 1:1.79 1:1.4.75Zo.75Zo Zo 11 ENA_B 14 +5V_B 12 B_L 13 GND_B NHI DIRECT COUPLED 1: _L 55 Figure II: Connections Zo F G 1 24 TOP VIEW Table III: Flatpack Dimensions E D B C H Figure III: Flatpack Package Detail A DIM TYP (inches) TOL (+/- inches) A " " B 11 EQ = " C " " D " " E " " F " MIN G " " H " "

4 NHI Series Transmit Waveforms TX TX_L Vout (Line to Line) Receive Waveforms Vin (Line to Line) _L Transmitter Operation: A high level input on TXINH will inhibit the transmitter outputs. If the TX & TX_L transmitter inputs are both high or both low, the transmitter is also inhibited. The output drivers are short circuit protected and the device will "fold back" to decrease power dissipation under this condition until the fault is removed. Receiver Operation: A low level input on ENA will disable the receiver outputs & _L regardless of bus activity. The receiver output compatibility may be specified as logic 0 or logic 1 when in standby mode. ** See Ordering Information Ordering Information: NHI FP / 883 Reliability Grade 883 = Fully Compliant with Mil-Std-883 M = Screened to Mil-Std-883, -55 to +125 C Blank = Industrial, -40 to +85 C Package Style FP = Flatpack (Figure IV) Transceiver Type and Decoder Compatibility 116 = 130 = Mil-Std-1553, Mil-Std-1553, & _L, Standby = Logic 0 & _L, Standby = Logic 1 See QML for NHI's Manufacturer Qualification Under Mil-PRF V: October 2005

R E G U F I R M I S T E R E D DATA DEVICE CORPORATION REGISTERED TO: ISO 9001:2008, AS9100C:2009-01 EN9100:2009, JIS Q9100:2009 FILE NO.

5 R E G U F I R M I S T E R E D DATA DEVICE CORPORATION REGISTERED TO: ISO 9001:2008, AS9100C: EN9100:2009, JIS Q9100:2009 FILE NO ASH09 The first choice for more than 50 years DDC DDC is the world leader in the design and manufacture of high reliability data interface products, motion control, and solid-state power controllers for aerospace, defense, and industrial automation. Inside the U.S. - Call Toll-Free DDC-5757 Headquarters and Main Plant 105 Wilbur Place, Bohemia, NY Tel: (631) Fax: (631) Toll-Free, Customer Service: DDC-5757 Web site: Data Device Corporation Outside the U.S. - Call United Kingdom: DDC U.K., LTD Mill Reef House, 9-14 Cheap Street, Newbury, Berkshire RG14 5DD, England Tel: Fax: France: DDC Electronique 10 Rue Carle-Herbert Courbevoie France Tel: Fax: Germany: DDC Elektronik GmbH Triebstrasse 3, D München, Germany Tel: +49 (0) Fax: +49 (0) Japan: DDC Electronics K.K. Dai-ichi Magami Bldg, 8F, 1-5, Koraku 1-chome, Bunkyo-ku, Tokyo , Japan Tel: Fax: Web site: Asia: Data Device Corporation - RO Registered in Singapore Blk-327 Hougang Ave 5 # Singapore Tel: The information in this Data Sheet is believed to be accurate; however, no responsibility is assumed by Data Device Corporation for its use, and no license or rights are granted by implication or otherwise in connection therewith. Specifications are subject to change without notice.

Mil-Std-1553 Products Single Channel Hybrid Transceivers

Data Device Corporation 1-800-DDC-5757 631-567-5600 105 Wilbur Place, Bohemia, NY 11716 service@ddc-web.com www.ddc-web.com Mil-Std-1553 Products Single Channel Hybrid Transceivers Features/Applications: